Will your flight get you to your destination on time? The U.S. Bureau of Transportation Statistics reported
Question:
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We can consider these data to be a representative sample of all months. There is no evidence of a time trend (r = 0.07).
a) Check the assumptions and conditions for inference about the mean.
b) Find a 99% confidence interval for the true percentage of flights that arrive late.
c) Interpret this interval for a traveler planning to fly.
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a Randomization condition Since there is no time trend the m...View the full answer
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Related Book For 
Stats Data and Models
ISBN: 978-0321986498
4th edition
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock
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